Must, mustn't or needn't?
1. Come on We ... hurry. We ... be late.
2. It's only ten past. We ... hurry.
3. Oh, you ... go off on your own. It isn't safe. We together in a group.
4. No, you ... put them in there. It might damage them. In fact, we ... wash them at all.
5. I ... forged to type this letter.
6. Yes, it ... go in the post today because it's quite urged. But the report isn't so important. You ... type the report today.